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Finding the Fourth Proportional to 3,569.36, 5,348.48 and 1,376.88

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Solution

The fourth proportional to 3,569.36, 5,348.48 and 1,376.88 is: 2,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.36 : 5,348.48 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    3,569.36/5,348.48 = 1,376.88/x
  3. Step 3: Cross multiply
    3,569.36x = 5,348.48 × 1,376.88
  4. Step 4: Simplify right side
    3,569.36x = 7,364,215.14
  5. Step 5: Solve for x
    x = 7,364,215.14/3,569.36
  6. Step 6: Final answer
    x = 2,063.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.